THROTTLE VALVE FOR AN INTERNAL COMBUSTION ENGINE PROVIDED WITH A CONDITIONING CIRCUIT

Throttle valve (1) for an internal combustion engine provided with a valve body (2); a tubular feeding duct (4) defined in the valve body (2); and an actuating device, which controls the rotation of the throttle plate (5) around the rotation axis (7) and comprises an electric motor (3); an actuating device conditioning circuit (17) defined in the valve body (2); the valve body (2) being entirely made of a first metal material and the circuit (17) having a conditioning pipe (19) made of a second metal material, wherein the valve body (2) is injection-overmoulded around the pipe (19).